package com.lagou.service.impl;

import com.lagou.base.StatusCode;
import com.lagou.dao.CourseContentDao;
import com.lagou.dao.impl.CourseContentDaoImpl;
import com.lagou.pojo.Course;
import com.lagou.pojo.Course_Lesson;
import com.lagou.pojo.Course_Section;
import com.lagou.service.CourseContentService;
import com.lagou.utils.DateUtils;

import java.util.List;

public class CourseContentServiceImpl implements CourseContentService {

    CourseContentDao courseContentDao = new CourseContentDaoImpl();


    @Override
    public List<Course_Section> findSectionAndLessonByCourseId(int courseId) {
        return courseContentDao.findSectionAndLessonByCourseId(courseId);
    }

    @Override
    public Course findCourseByCourseId(int courseId) {
        return courseContentDao.findCourseByCourseId(courseId);
    }

    @Override
    public String saveSection(Course_Section section) {
        //补全状态信息
        section.setStatus(2);
        String dateFormart = DateUtils.getDateFormart();
        section.setCreate_time(dateFormart);
        section.setUpdate_time(dateFormart);
        int row = courseContentDao.saveSection(section);
        if (row > 0) {
            String result = StatusCode.SUCCESS.toString();
            return result;
        } else {
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }

    @Override
    public String updateSection(Course_Section section) {

        //1.补全章节信息
        String date = DateUtils.getDateFormart();
        section.setUpdate_time(date);
        //2.调用Dao进行插入
        int i = courseContentDao.updateSection(section);
        //3.根据修改是否成功,封装对应信息
        if (i > 0) {
            //保存成功
            String result = StatusCode.SUCCESS.toString();
            return result;
        } else {
            //保存失败
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }

    @Override
    public String updateSectionStatus(int id, int status) {
        //调用Dao 修改状态
        int i = courseContentDao.updateSectionStatus(id, status);
        //3.根据修改是否成功,封装对应信息
        if (i > 0) {
            String result = StatusCode.SUCCESS.toString();
            return result;
        } else {
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }

    @Override
    public String saveLesson(Course_Lesson lesson) {

        //补全状态信息
        lesson.setStatus(2);
        String dateFormart = DateUtils.getDateFormart();
        lesson.setCreate_time(dateFormart);
        lesson.setUpdate_time(dateFormart);

        int row = courseContentDao.saveLesson(lesson);
        if (row > 0) {
            String result = StatusCode.SUCCESS.toString();
            return result;
        } else {
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }

    @Override
    public String updateLesson(Course_Lesson lesson) {
        //调用Dao 修改状态
        int i = courseContentDao.updateLesson(lesson);
        //3.根据修改是否成功,封装对应信息
        if (i > 0) {
            String result = StatusCode.SUCCESS.toString();
            return result;
        } else {
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }
}
